Fishes
Popular fish
![Miss Fish](image/s-n.jpg)
I'll introduce about fish.
![Tamaki](image/t-w.jpg)
OK.
![Miss Fish](image/s-w.jpg)
I will introduce interesting fishes.
Whale shark
![Whale shark](image/1.jpg)
They are the biggest in the fish.They are 12 m to 13 m in total length.
Whale shark are allowed to hatch eggs in the belly.They lay eggs of about 300 in a one spawning.
And children of about 50 ~ 60cm total length is born. They are very similar to the parent.
They eat plankton and small fish mainly.
To swallow plankton,they open the big mouth on the tip of the square head while they swimming.
Whale shark is very docile sharks.
Hammerhead shark
![Hammerhead shark](image/syumokuzame.jpg)
Some hammerhead shark is a big more than 4m.
The shape of the head like a hammer .
How the swim they shake from side to side the head is unique.
There is a theory that in the form of a unique head to make it easier to find prey. It is the most widely held theory.
And,sharks have a "Rorenchini organ" to the top of the head.Sharks catch a weak currents emitted when the creature is to breathe.
Shark increase the "Rorenchini organ".Scientists think that is why hammerhead shark is increasing the head.
Tuna
![Mechanism of the body of the tuna](image/maguroe.jpg)
The total length of the tuna is about 3m, and inhabits temperate around the world, the tropical sea.
Tuna spends swimming in the open ocean wide, most of the life.
In search of food, they have evolved to continue to swim all day and night.
So they will die if they stop.
And,they can swim while sleeping.
Capillary arterial and venous capillary is in contact with the opposite direction in muscle during fellow of tuna.Thanks to them Heat of the vein is transferred to the artery, body temperature is not easily released outside .
Due to the spindle-shaped less susceptible to resistance of the water, they can swim in about 80 kilometers per hour.
I envy.
Fins before the dorsal fin tuna can be folded in order to reduce the resistance of the water.
Put the fin in order to slow down when you turn
It was able to display the figure swim the world's first bluefin tuna, it's Sea Life Park , Japan.
![Fry the tuna](image/maguro2e.jpg)
This picture is fry the tuna
It is smaller than a human finger
This is to grow to adult fish.
Lionfish
![Lionfish](image/minokasago.jpg)
Breast fin, dorsal fin, ventral fin are large , it looks like a beautiful ribbon.They are arms that protect the body.
There is a strong poison in fin .They intimidate to show a large body and opening large fin.They have a poison So the enemy are alarmed by its.
In front of shrimp and small fish , when they open the fin, stripes can be seen in the radial.
Prey become the illusion of eye by this.They bring down their prey quickly with a big mouth in the meantime.
Lionfish is strong and beautiful.
Stone fish
![Stone Fish](image/onidaruma.jpg)
Its magnitude is about 40 centimeters.
This fish looks like rolling stone on the ocean floor.
It is hidden to capture prey.
Lamp fish
![Lamp fish](image/kyuubane.jpg)
This fish's pelvic fin, was evolved to sucker-like .
Lamp fish, living in the deep sea but they come in shallow area when it comes to breeding season.
Sucker they need in order to be not be influenced by the wave at this time.
Eggs of this fish, has been used as a substitute for caviar quality food.
Ocellated Icefish (Chionodraco rastrospinosus)
![Chionodraco rastrospinosus](image/siromizakana.jpg)
This fish only do not have hemoglobin in vertebrates.
The fish's blood is white so the fis looks like white.
It is a mystery why the fish do have a transparent blood.
![Tamaki](image/t-b.jpg)
Miss Fish!
I wonder why Ocellated Icefish 's blood is transparent.
![Miss Fish](image/s-n.jpg)
Yeah.
Let's go to Fishes's conclusion!
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